How do you best determine whether j/m^2 and m*s^2/n are equivalent units?
a. compare the written form of the units to see if they look the same.
b. determine if the formulas that each unit came from are the same.
c. notice that one unit contains joules and the other newtons.
d. express them both in terms of si base units.

True or false: the revolution of the earth creates day and night as it rotates around the sun

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.